目的 :探讨椎管内肿瘤术后复发的原因。方法 :对 2 8例椎管内复发肿瘤进行临床回顾性分析 ,并推断其复发因素。结果 :手术后有肿瘤残留者、恶性肿瘤患者及生长部位特殊的良性肿瘤患者容易复发。结论 :椎管内肿瘤术后复发主要与肿瘤残留有关 ,肿瘤的病理类型 (恶性肿瘤 )及肿瘤生长部位亦是复发的重要因素 Objective: To investigate the causes of postoperative recurrence of spinal canal tumor. Methods: The clinical data of 28 recurrent tumors in the spinal canal were retrospectively analyzed and the relapse factors were deduced. Results: After surgery, patients with residual tumor, malignant tumor and patients with benign tumor growing at site are easy to relapse. Conclusion: The recurrence of spinal canal tumor is mainly related to residual tumor. The pathological type of tumor (malignant tumor) and tumor growth site are also important factors of recurrence